Home / 670,469.09-1,004,597.59-386,398.24

Finding the Fourth Proportional to 670,469.09, 1,004,597.59 and 386,398.24

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Solution

The fourth proportional to 670,469.09, 1,004,597.59 and 386,398.24 is: 578,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,469.09 : 1,004,597.59 = 386,398.24 : x
  2. Step 2: Convert to fraction form
    670,469.09/1,004,597.59 = 386,398.24/x
  3. Step 3: Cross multiply
    670,469.09x = 1,004,597.59 × 386,398.24
  4. Step 4: Simplify right side
    670,469.09x = 388,174,740,684.24
  5. Step 5: Solve for x
    x = 388,174,740,684.24/670,469.09
  6. Step 6: Final answer
    x = 578,959.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.